Vulnerability in File Manager

CVE-2026-17540

The File Manager WordPress plugin before 6.9.1 does not properly authorise its file management commands, allowing any authenticated user, such as a subscriber, to read and delete arbitrary files under the WordPress installation directory, which could lead to the disclosure of the site's configuration secrets and to denial of service.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-17540: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • File Manager — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-17540?
CVE-2026-17540 is a high-severity vulnerability in File Manager, classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-08-10.
How severe is CVE-2026-17540?
High severity. CVSS v3 base score is 8.8 out of 10.